# i = 0
# while i<9:
#     i+=1
#     print("\t")
#     f = 0
#     while f<9:
#      f+=1
#      if f<i:
#       print(f"{f}*{i}={i*f}",end=" ")

i = 0
while i < 9:
    i += 1
    j = 1
    print("")
    while j<=i:
        j += 1
        print(f"{i}*{j}={i*j}",end=" ")

# 遍历循环是for循环

# z=0
# name="itheima is a brand of itcast"
# for x in name:
#     if x=="a":
#       z+=1
# print(f"{z}")

